Electronic Operation; Overview - Teledyne T200 Operation Manual

Principles of Operation

13.3. ELECTRONIC OPERATION

13.3.1. OVERVIEW

Figure 13-11 shows a block diagram of the major electronic components of the analyzer.
TEST CHANNEL OUTPUT
Optional O Sensor Concetration
2
NO Concentration
2
NO Concentration
NO Concentration
x
Flow/Pressure Sensor PCA
Sample Pressure
O Flow Sensor
3
Reaction Cell
Pressure Sensor
PMT
Temperature
PMT PREAMP PCA
Thermo-Electric Cooler
Drive PCA
PMT Thermo-
Electric Cooler
High
Voltage
PMT
Power
Supply
SENSOR MODULE
302
Teledyne API – T200 NO/NO2/NOx Analyzer Operation Manual
Analog Outputs
Aout 4
Aout 3
Aout 2
Aout 1
Sensor
A/D
Converter
Thermistor Interface
Reaction Cell
Internal Span
Temperature
Gas Generator
Perm Tube Oven
Temperature
(Optional)
Optical Test Control
Electric Test Control
Preamp Range HI
O Generator
3
Figure 13-11: T200 Electronic Block Diagram
ANALOG
IN
(I 2 C Bus)
Status
Outputs
1 - 8
Optional
Current
Loop
Outputs
Analog Outputs
External Digital I/O
(D/A)
Box
Temperature
Internal
2
I C Bus
Digital I/O
O Sensor
2
Temperature
(Optional)
O Gen Status
3
Reaction Cell
Heater
NO to NO
2
Converter Heater
Internal Span Gas
Generator Perm Tube
Oven Heater
Optional
Internal Pump
COM2 USB COM RS232
Ethernet
Female port Male
Control
Outputs
1 – 6
Power Up
Circuit
CPU
Status
LED
MOTHERBOARD
RELAY PCA
2
I C Status
LED
NO to NO Converter
2
Thermocouple Sensor
06858E DCN7057
Touchscreen
Display
LVDS
transmitter board
PC 104
CPU Card
Disk on
Module
Flash
Chip
NO/NO Valve
X
AutoZero Valve
Sample/Cal
Valve
(Optional)
Zero/Span
Valve
(Optional)
Pressurized
Span Shutoff
Valve
(Optional)